<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
  <style>
    div{
      width: 200px;
      height: 50px;
      border: 1px solid red;
      /*水平对齐方式*/
      text-align: center;
      /*文本修饰 overline underline line-through*/
      text-decoration: line-through;
      /*设置行高,单体文本时可以实现垂直居中,多行文本可以控制行间距*/
      line-height: 50px;
      /*设置文本阴影:颜色 x偏移值 y偏移值 模糊度*/
      text-shadow: red 20px 20px 5px;
      /*设置字体大小*/
      font-size: 20px;
      /*设置加粗*/
      font-weight: bold;
      /*设置斜体*/
      font-style: italic;
      /*设置字体*/
      font-family: cursive;
    }
    a{
      text-decoration: none;/*去掉自带下划线*/
    }
    h3{
      font-weight: normal;
      font: 30px cursive;
    }/*去掉加粗效果*/
  </style>
</head>
<body>
<h3>h3h3h3h3h3</h3>
<a href="">超链接</a>
<div>文本和字体相关</div>
</body>
</html>